feat(multilist): add limit for the multilist

Author: shipengqi

internal/parameter/integer/int.go

@@ -26,7 +26,7 @@ func (p Param) Render() huh.Field {
 
 	param.Value(&p.DefaultValue)
 
-	var group []validators.Validator
+	var group []validators.Validator[string]
 	if p.Required {
 		group = append(group, validators.Required(p.Name, true))
 	}

internal/parameter/list/list.go

@@ -34,7 +34,7 @@ func (p Param) Render() huh.Field {
 
 	param.Value(&p.DefaultValue)
 
-	var group []validators.Validator
+	var group []validators.Validator[string]
 	if p.Required {
 		group = append(group, validators.Required(p.Name, false))
 	}

internal/parameter/multilist/list.go

@@ -14,6 +14,7 @@ type Param struct {
 	Options      []huh.Option[string] `yaml:"options"       json:"options"       mapstructure:"options"`
 	DefaultValue []string             `yaml:"default_value" json:"default_value" mapstructure:"default_value"`
 	Required     bool                 `yaml:"required"      json:"required"      mapstructure:"required"`
+	Limit        *int                 `yaml:"limit"         json:"limit"         mapstructure:"limit"`
 }
 
 func (p Param) Validate() []error {
@@ -32,10 +33,18 @@ func (p Param) Render() huh.Field {
 		param.Description(p.Description)
 	}
 
+	if p.Limit != nil {
+		param.Limit(*p.Limit)
+	}
 	param.Value(&p.DefaultValue)
 
+	var group []validators.Validator[[]string]
+	if p.Required {
+		group = append(group, validators.MultiRequired(p.Name))
+	}
+
 	if p.Required {
-		param.Validate(validators.MultiRequired(p.Name))
+		param.Validate(validators.Group(group...))
 	}
 
 	return param

internal/parameter/str/str.go

@@ -35,7 +35,7 @@ func (p Param) RenderInput() *huh.Input {
 
 	param.Value(&p.DefaultValue)
 
-	var group []validators.Validator
+	var group []validators.Validator[string]
 	if p.Required {
 		group = append(group, validators.Required(p.Name, p.Trim))
 	}

internal/parameter/text/text.go

@@ -33,7 +33,7 @@ func (p Param) Render() huh.Field {
 
 	param.Value(&p.DefaultValue)
 
-	var group []validators.Validator
+	var group []validators.Validator[string]
 	if p.Required {
 		group = append(group, validators.Required(p.Name, false))
 	}

internal/parameter/validators/required.go

@@ -3,8 +3,6 @@ package validators
 import (
 	"fmt"
 	"strings"
-
-	"github.com/shipengqi/commitizen/internal/errors"
 )
 
 func Required(name string, trim bool) func(string) error {
@@ -18,12 +16,3 @@ func Required(name string, trim bool) func(string) error {
 		return nil
 	}
 }
-
-func MultiRequired(name string) func([]string) error {
-	return func(strs []string) error {
-		if len(strs) == 0 {
-			return errors.NewRequiredErr(name)
-		}
-		return nil
-	}
-}

internal/parameter/validators/slice.go

@@ -0,0 +1,12 @@
+package validators
+
+import "github.com/shipengqi/commitizen/internal/errors"
+
+func MultiRequired(name string) func([]string) error {
+	return func(vals []string) error {
+		if len(vals) == 0 {
+			return errors.NewRequiredErr(name)
+		}
+		return nil
+	}
+}

internal/parameter/validators/validators.go

@@ -1,11 +1,11 @@
 package validators
 
-type Validator func(string) error
+type Validator[T string | []string] func(T) error
 
-func Group(validators ...Validator) Validator {
-	return func(str string) error {
+func Group[T string | []string](validators ...Validator[T]) Validator[T] {
+	return func(t T) error {
 		for _, validator := range validators {
-			if err := validator(str); err != nil {
+			if err := validator(t); err != nil {
 				return err
 			}
 		}